One Sunday morning, January 6th, 2008 I was attending religious services when my cell phone vibrated. As discreetly as possible, I checked the phone and noticed that my phone said "Caller ID unknown". I choose to ignore.

After services, as I was walking to my car with my family, I checked my cell phone messages. The message left was from Steve Jobs. "Vic, can you call me at home? I have something urgent to discuss" it said.

Before I even reached my car, I called Steve Jobs back. I was responsible for all mobile applications at Google, and in that role, had regular dealings with Steve. It was one of the perks of the job.

"Hey Steve - this is Vic", I said. "I'm sorry I didn't answer your call earlier. I was in religious services, and the caller ID said unknown, so I didn't pick up".

Steve laughed. He said, "Vic, unless the Caller ID said 'GOD', you should never pick up during services".

I laughed nervously. After all, while it was customary for Steve to call during the week upset about something, it was unusual for him to call me on Sunday and ask me to call his home. I wondered what was so important?

"So Vic, we have an urgent issue, one that I need addressed right away. I've already assigned someone from my team to help you, and I hope you can fix this tomorrow" said Steve.

"I've been looking at the Google logo on the iPhone and I'm not happy with the icon. The second O in Google doesn't have the right yellow gradient. It's just wrong and I'm going to have Greg fix it tomorrow. Is that okay with you?"

Of course this was okay with me. A few minutes later on that Sunday I received an email from Steve with the subject "Icon Ambulance". The email directed me to work with Greg Christie to fix the icon.

Since I was 11 years old and fell in love with an Apple II, I have dozens of stories to tell about Apple products. They have been a part of my life for decades. Even when I worked for 15 years for Bill Gates at Microsoft, I had a huge admiration for Steve and what Apple had produced.

But in the end, when I think about leadership, passion and attention to detail, I think back to the call I received from Steve Jobs on a Sunday morning in January. It was a lesson I'll never forget. CEOs should care about details. Even shades of yellow. On a Sunday.

To one of the greatest leaders I've ever met, my prayers and hopes are with you Steve.

CUPERTINO, California—August 24, 2011—Apple’s Board of Directors today announced that Steve Jobs has resigned as Chief Executive Officer, and the Board has named Tim Cook, previously Apple’s Chief Operating Officer, as the company’s new CEO. Jobs has been elected Chairman of the Board and Cook will join the Board, effective immediately.

“Steve’s extraordinary vision and leadership saved Apple and guided it to its position as the world’s most innovative and valuable technology company,” said Art Levinson, Chairman of Genentech, on behalf of Apple's Board. “Steve has made countless contributions to Apple’s success, and he has attracted and inspired Apple’s immensely creative employees and world class executive team. In his new role as Chairman of the Board, Steve will continue to serve Apple with his unique insights, creativity and inspiration.”

“The Board has complete confidence that Tim is the right person to be our next CEO,” added Levinson. “Tim’s 13 years of service to Apple have been marked by outstanding performance, and he has demonstrated remarkable talent and sound judgment in everything he does.”

Jobs submitted his resignation to the Board today and strongly recommended that the Board implement its succession plan and name Tim Cook as CEO.

As COO, Cook was previously responsible for all of the company’s worldwide sales and operations, including end-to-end management of Apple’s supply chain, sales activities, and service and support in all markets and countries. He also headed Apple’s Macintosh division and played a key role in the continued development of strategic reseller and supplier relationships, ensuring flexibility in response to an increasingly demanding marketplace.

Apple designs Macs, the best personal computers in the world, along with OS X, iLife, iWork and professional software. Apple leads the digital music revolution with its iPods and iTunes online store. Apple has reinvented the mobile phone with its revolutionary iPhone and App Store, and has recently introduced iPad 2 which is defining the future of mobile media and computing devices.